The Yukon Gear copper washer is sized to fit Ford 8- and 9-inch dropout housings and is offered as a replacement sealing washer for those applications. Produced as part of Yukon’s line of differential small parts, it provides the correct copper sealing surface for Ford 8in and 9in dropout assemblies during maintenance or rebuilds.
Yukon Gear Copper Washer For Ford 9in & 8in Dropout Housing